1)  electrochemical frequency modulation
					 
	
					
				
				 
	
					
				电化学频率调制
				1.
					A system for electrochemical frequency modulation (EFM) measurement was set up, which consisted of a potentiostat, a laptop computer, a NI DAQ card and application softwares developed with LabVIEW 7.
						
						电化学频率调制(electrochemical frequency modulation,EFM)是一种腐蚀速度检测的新方法,能够同时测得腐蚀电流密度和Tafel常数。
					
					2)  EO-FM
					 
	
					
				
				 
	
					
				电光频率调制
			
					3)  QFM Quantized Frequency Modulation
					 
	
					
				
				 
	
					
				量化频率调制
			
					4)  frequency modulation
					 
	
					
				
				 
	
					
				频率调制
				1.
					Numerical analysis for the stochastic resonance of frequency modulation;
					 
					
						
						 
					
						频率调制随机共振的数值分析
					2.
					A reflective dielectric resonator of performing frequency modulation for incident vibrated signal;
						
						一种对振动信号实现频率调制的反射型介质谐振器
					3.
					Characteristic Analysis of Wavelength Tuning and Frequency Modulation of Coupled Cavity Laser Diodes;
						
						耦合腔激光器的波长调谐与频率调制特性分析
					
					5)  FM
					 
	
					
				
				 
	
					
				频率调制
				1.
					In order to meet the requirement of high speed underwater acoustic communication,the OFDM/FM method is given in the paper,which is based on the orthogonal frequency division multiplexing(OFDM)technique.
						
						为满足高速水声通信的需要,在对正交频分复用(OFDM)技术的原理进行研究的基础之上,结合水声信道的特性,给出了进行二次频率调制(FM)的OFDM/FM实现方法,并通过仿真得到了该方法的性能。
					
					6)  modulation frequency
					 
	
					
				
				 
	
					
				调制频率
				1.
					The effect of modulation frequency on phase demodulation is analyzed in sinusoidal phase modulating(SPM) interferometry for displacement measurement.
						
						针对正弦相位调制(SPM)干涉测量技术用于位移测量时,调制频率对干涉信号相位解调的影响,提出一种调制频率的优化选择依据。
					2.
					The relations between pyroelectric current and sensitive area as well as modulation frequency are analysed.
						
						本文导出热释电列阵的热传递函数,明确地分析了热释电探测器灵敏元的面积,电流响应率及调制频率的关系。
					3.
					lt has a deep study on low-frequency modulation characteristics, which includes the modulation wave through high-speed photodetector, the relationship between modulation frequency and threshold current , and the relationship between average output power and modulation frequency.
						
						给出了用高速光电探测器探测到的调制信号波形,并进一步分析了调制 频率与闭值电流之间的关系,以及调制频率与平均输出功率之间的关系。
					补充资料:电化学调制红外光谱
		分子式:
CAS号:
性质:该法使用色散型光谱仪,信号检测系统采用锁定技术。实验时随着红外波长非常慢的变化,电极在两个选定的电位下以低频(如约10Hz)的方波(或正弦波)调制。电极响应信号包括反射率直流分量R和由电位调制引起的小交流分量ΔR,以及整个频率区的噪声,通过锁定放大器得到与调制电位同频率的信号ΔR。把几次扫描的光谱平均,得到以ΔR/R对波长或波数的红外光谱。
		
		CAS号:
性质:该法使用色散型光谱仪,信号检测系统采用锁定技术。实验时随着红外波长非常慢的变化,电极在两个选定的电位下以低频(如约10Hz)的方波(或正弦波)调制。电极响应信号包括反射率直流分量R和由电位调制引起的小交流分量ΔR,以及整个频率区的噪声,通过锁定放大器得到与调制电位同频率的信号ΔR。把几次扫描的光谱平均,得到以ΔR/R对波长或波数的红外光谱。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
	参考词条